...0644); if (fd == -1) { perror("open"); exit(EXIT_FAILURE); } for (;;) { /* * tee stdin to stdout. */ len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); if (len …...close(pipefd[1]); /* Close unused write end */ while (read(pipefd[0], &buf, 1) > 0) write(STDOUT_FILENO, &buf, 1); write(STDOUT_FILENO, "\n", 1); close(pipefd[0]); _exit(EXIT_SU…...close(pipefd[1]); /* Close unused write end */ while (read(pipefd[0], &buf, 1) > 0) write(STDOUT_FILENO, &buf, 1); write(STDOUT_FILENO, "\n", 1); close(pipefd[0]); _exit(EXIT_SU…...= strlen(str0); iov[1].iov_base = str1; iov[1].iov_len = strlen(str1); nwritten = writev(STDOUT_FILENO, iov, 2); SEE ALSO pread (2), read (2), write (2)...= strlen(str0); iov[1].iov_base = str1; iov[1].iov_len = strlen(str1); nwritten = writev(STDOUT_FILENO, iov, 2); SEE ALSO pread (2), read (2), write (2)...= strlen(str0); iov[1].iov_base = str1; iov[1].iov_len = strlen(str1); nwritten = writev(STDOUT_FILENO, iov, 2); SEE ALSO pread (2), read (2), write (2)...= strlen(str0); iov[1].iov_base = str1; iov[1].iov_len = strlen(str1); nwritten = writev(STDOUT_FILENO, iov, 2); SEE ALSO pread (2), read (2), write (2)...= strlen(str0); iov[1].iov_base = str1; iov[1].iov_len = strlen(str1); nwritten = writev(STDOUT_FILENO, iov, 2); SEE ALSO pread (2), read (2), write (2)...= strlen(str0); iov[1].iov_base = str1; iov[1].iov_len = strlen(str1); nwritten = writev(STDOUT_FILENO, iov, 2); SEE ALSO pread (2), read (2), write (2)...ase is to delete everything in rootfs, overmount rootfs with the new root, attach stdin / stdout / stderr to the new /dev/console , and exec the new init (1). Helper programs fo…...IT_FAILURE, "name_to_handle_at"); /* Write mount ID, file handle size, and file handle to stdout, for later reuse by t_open_by_handle_at.c. */ printf("%d\n", mount_id); printf("…...IT_FAILURE, "name_to_handle_at"); /* Write mount ID, file handle size, and file handle to stdout, for later reuse by t_open_by_handle_at.c. */ printf("%d\n", mount_id); printf("…map or unmap files or devices into memory NAME mmap, munmap - map or unmap files or devices into memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> voi…map or unmap files or devices into memory NAME mmap, munmap - map or unmap files or devices into memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> voi…Seccomp user-space notification mechanism NAME seccomp_unotify - Seccomp user-space notification mechanism LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/seccom…fast user-space locking NAME futex - fast user-space locking LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/futex.h> /* Definition of FUTEX_* constants */ #incl…